Analyzing Forces on a Hockey Puck | Physics Forums The magnitude of this attraction is your weight, and it is a force. For which orientation of the forces will the puck acquire an acceleration with the largest magnitude? How far could a player actually hit a puck, if the net and edge of the rink werent there? The image processing used in these studies can be seen as an elaborate extension of open source video analysis (e.g. Join us as we delve deeper into each of these forces affecting a hockey pucks movement and uncover some of the interesting and surprising facts about the science of hockey. To increase the height of the puck, it should be hit at a more upward angle. AE would be your answer. Regardless of the scale of an object, whether a molecule or a subatomic particle, two properties remain valid and thus of interest to physics: gravitation and inertia. How many forces act on a hockey puck sliding at constant velocity? (Note that changes in kinetic energy depend on the initial velocity within the reference system used [15, 16].) Are inertial frames common in nature? density matrix. The movement of a hockey puck is affected by various forces, and one of the most significant is friction. For most problems, however, such a frame serves as a sufficiently accurate approximation to an inertial frame, because the acceleration of a point on Earths surface relative to the fixed stars is rather small ([latex] <3.4\,\,{10}^{-2}\,{\text{m/s}}^{2} [/latex]). The cookie is used to store the user consent for the cookies in the category "Other. Another way is to use a low-friction puck, which is specially designed to reduce friction with the ice surface. (Energy losses due to friction in the direction of motion occur, of course, independent of the technique used.). Some surfaces have inherently less friction. There are some cases where players may use magnets during practice to help improve their stickhandling skills. Figure 9. It could roll along the wall, in which case there will still need to be some type of wall frictional force that causes the puck to increase its angular velocity. The Magnus effect is another way that air resistance can affect the trajectory of the puck. The coefficient of kinetic friction is usually less than the coefficient of static friction. The velocity at the beginning of a stride to the right, after the push-off with the left leg, could then be written as {{\bf{v}}}_{i,r}={v}_{i}(\sin \theta ,\cos \theta ). From this fact, we can infer the following statement. The coefficient of kinetic friction between the puck and ice is 0.15. But opting out of some of these cookies may affect your browsing experience. Static Friction Static friction is the amount of force that it takes to get an object moving. For example, some pucks may have magnetic cores or may be designed to be attracted to magnetic goals to help players aim their shots. Tracks in the ice for conventional fast strides at an angle to the main direction of motion, together with a definition of the coordinate system used for the analysis. By clicking Accept, you consent to the use of ALL the cookies. These cookies will be stored in your browser only with your consent. What other factors can impact the movement of a hockey puck? The slope of the skate indicates the direction of the force from the ice. Fans are eager to learn more about the schedule, which promises to be action-packed with thrilling matchups , Looking to elevate your hockey training regimen to the next level? Figure 3. In the next section we discuss angular momentum skating, where the change in direction is instead provided by moving along a circular arc, and the full energy provided by the work exerted orthogonally to the track is converted into kinetic energy. Figures 6 shows an annotated selection of screen shots from figure 1, illustrating the different parts of the motion. If two force acts in a same direction on a hockey puck , then the resultant force will have large magnitude because the angle between two force is zero.
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